Fig. 13: Sediment Trap Orientation

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CAUTION: Do not use Teflon tape on gas line pipe

 

 

 

 

 

Gas Pressure Regulator

 

 

 

 

thread. A pipe compound rated for use with gas

 

 

 

 

 

The gas valve pressure regulator(s) on the heater are

 

systems is recommended. Apply sparingly only on

 

 

 

 

 

 

male pipe ends.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

nominally preset at 3 in. WC for natural gas, and 10.0

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

in. WC for propane gas manifold pressure. The pres-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

CAUTION: Support gas supply piping with

 

 

 

 

 

sure at the gas valve outlet tap, measured with a

 

hangers, not by the heater or its accessories. Ensure

 

 

 

 

 

manometer, while in operation should be as indicated

 

the gas piping is protected from physical damage

 

 

 

 

 

in Table G. If an adjustment is needed, turn the adjust-

 

and freezing where required.

 

 

 

 

 

 

 

ment screw clockwise to increase pressure or

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

counter-clockwise to decrease pressure.

 

Gas Supply Pressure

 

 

 

 

 

 

 

 

 

 

 

 

Electrical Power Connections

 

A minimum of 4 in. WC and a maximum of 10.5 in. WC

 

 

 

 

 

upstream gas pressure is required under load and no

 

 

 

 

Installations must follow these codes:

 

load conditions for natural gas. A minimum of 11 in.

 

 

 

 

 

WC and a maximum of 13 in. WC is required for

 

 

 

 

· National Electrical Code and any other national,

 

propane gas. The gas pressure regulator supplied on

 

 

 

 

state, provincial or local codes or regulations hav-

 

the heater is for low pressure service. If upstream

 

 

 

 

ing jurisdiction

 

pressure exceeds 14 in. WC, an intermediate gas

 

 

 

 

· Safety wiring must be N.E.C. Class 1

 

pressure regulator, of the lockup type, must be

 

 

 

 

· Heater must be electrically grounded as required

 

installed.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

by N.E.C.

 

When connecting additional gas utilization equipment

 

 

 

 

· In Canada, C22.1

 

to the gas piping system, the existing piping must be

 

 

 

 

The heater is wired for 120 VAC, less than 12 AMPS.

 

checked to determine if it has adequate capacity.

 

 

 

 

The voltage is indicated on the tie-in leads. Consult the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Gas Type

 

 

 

 

wiring diagram shipped with the heater in the instruc-

 

 

Firing

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Gas Valve

 

 

 

Natural

 

LP/Propane

 

 

 

 

tion packet. The remote tank control stat, thermostat,

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Stage

 

 

 

 

 

 

 

 

 

 

 

 

+/- 0.1"WC

 

+/- 0.1"WC

 

 

 

 

or electronic heater control as applicable, may be con-

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

nected to stage selector terminal (See wiring diagram).

 

Hi-Fire

 

 

 

 

Invensys

 

 

3.3" WC

 

 

 

 

 

 

 

24 Volts are supplied to this connection through the

 

 

 

 

 

Honeywell or

 

 

3.1" WC

 

9.6" WC

 

 

 

 

heater transformer. DO NOT attach line voltage to

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

White-Rodgers

 

 

 

 

 

 

 

the stage connections. Before starting the heater

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Invensys

 

 

1.2" WC

 

 

 

 

 

 

 

check to ensure proper voltage to the heater and

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Lo-Fire

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

pump.

 

 

 

 

 

Honeywell or

 

 

1.4" WC

 

3.6" WC

 

 

 

 

 

 

 

 

 

 

 

 

 

 

WARNING: Connecting line voltage to the stage

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

White-Rodgers

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

connection terminal block will cause damage to the

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

unit that is not covered by warranty.

 

 

 

 

 

 

 

Table

G: Pressure at

Gas Valve

 

Outlet Tap

18

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Page 17 Page 19
Page 18
Image 18
Raypak HD401 Electrical Power Connections, Gas Pressure Regulator, Gas Supply Pressure, Pressure at Gas Valve Outlet Tap
Page 17 Page 19

HD101, HD401 specifications

Raypak is renowned for its commitment to high-quality heating solutions, with the HD101 and HD401 models standing out in their product range. These units are designed specifically for commercial applications, providing reliable and efficient hydronic heating systems. The HD series embodies innovation while addressing the unique demands of larger spaces.

One of the main features of the HD101 and HD401 is their stainless steel construction, which ensures increased durability and resistance to corrosion. This design choice enhances the longevity of the units, making them ideal for various installations in commercial or industrial settings.

Both models are equipped with a high-efficiency heat exchanger that maximizes heat transfer while minimizing energy consumption. This feature is particularly significant in today’s environmentally conscious market, as it contributes to lower operating costs and reduced carbon footprints. The heat exchangers are engineered for easy maintenance, offering simplicity when service is required.

In terms of technology, the HD101 and HD401 include advanced digital controls that allow for precise temperature regulation. This user-friendly interface enables operators to easily manage and monitor heating parameters, facilitating optimal performance and energy management.

The models also feature modulating burners that adjust their output according to the heating demand. This capacity for modulation results in smoother operation and an overall increase in efficiency, as the burners can maintain consistent temperatures without excessive energy use.

Another noteworthy characteristic is their compatibility with various control systems, including BMS (Building Management Systems). This adaptability allows for seamless integration into existing infrastructure, providing users with greater versatility and control over their heating environments.

Both the HD101 and HD401 come with advanced safety features, including flame rollback protection and pressure monitoring, ensuring safe operation even in demanding conditions. Additionally, their compact design allows for easy installation in limited spaces while still providing powerful heating capabilities.

Ultimately, the Raypak HD101 and HD401 are exceptional choices for those in need of high-efficiency commercial heating solutions. With their robust construction, advanced technology, and user-friendly features, these models promise to deliver reliable performance and energy savings for years to come. Whether for a large facility or a specific industrial application, they stand ready to meet the heating challenges of today’s commercial landscape.
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