Pentair CH installation manual Stack Type Indoor Draft Hood KIT

Page 16
Draft Hood

Installation (contd.)

16

 

 

 

 

NOTE

The heater requires two uninterrupted air supply openings; one for ventilation and one to supply oxygen for proper gas combustion. The air supply openings should be sized according to Tables 12. and 13.

b)Construct a non-combustible base from masonry blocks as illustrated, see Figure 17.

BASE FOR USE ON

COMBUSTIBLE FLOORS

Air supply requirements below apply to all

MiniMax heaters

All opening sizes are minimum and unobstructed.

 

All Air From Inside

 

 

 

Model

Air for Combustion

Air Ventilation

Sq. In.

Sq. In.

 

 

 

 

150

150

150

 

 

 

200

200

200

 

 

 

250

250

250

SHEET

METAL

BLOCKS

Figure 17.

T

O

H

.

 

Min

 

6"

 

 

.

 

in

"

M

 

6

 

HOLLOW MASONARY BLOCKS, NOT LESS THAN

4" THICK (LAID WITH ENDS UNSEALED AND JOINTS MATCHED FOR AIR CIRCULATION). COVER BLOCKS WITH 24 GA. (MIN.) GALVANIZED SHEET METAL.

300

300

300

 

 

 

350

350

350

 

 

 

400

400

400

Table 12.

 

All Air From Outside

 

 

 

Model

Air for Combustion

Air Ventilation

Sq. In.

Sq. In.

 

 

 

 

150

37

37

 

 

 

200

50

50

 

 

 

250

63

63

 

 

 

300

77

77

 

 

 

350

90

90

 

 

 

400

100

100

 

 

 

Table 13.

INSTALLATION ON FLOORS CONSTRUCTED OF COMBUSTIBLE MATERIALS

The heater may be placed on a “combustible floor” using either of the two methods listed below:

a)Use Listed Factory Non-combustible Base Kit for use on combustible floors.

Model Non-Combustible Base Kit

CAUTION

Chemicals should not be stored near the heater installation. Combustion air can be contaminated by corrosive chemical fumes which can void the warranty.

STACK TYPE INDOOR DRAFT HOOD KIT

The proper draft hood and adapter must be installed on the heater as shown below:

Model

Draft Hood

Product No.

Vent Dia.

 

 

 

 

150

DH15

460227

6 in.

 

 

 

 

200

DH20

460228

7 in.

 

 

 

 

250

DH25

460230

7 in.

 

 

 

 

300

DH30

460231

8 in.

 

 

 

 

350

DH35

460233

9 in.

 

 

 

 

400

DH40

460234

10 in.

 

 

 

 

Table 15.

INDOOR DRAFT HOOD INSTALLATION

1. Take out the louvered outer top piece after first removing the sheet metal screws, attaching it to the cabinet.

150

471389

 

 

200

471390

 

 

250

471391

 

 

300

471392

 

 

350

471393

 

 

400

471394

Table 14.

P/N 472128

2.Install the adaptor (vent kit).

3.Install the top cover (vent kit).

4.Install the draft hood (vent kit).

Use the provided screws to secure the vent assembly.

Top Cover

Adaptor

Screw

(2 PLC's)

HEATER

Figure 18.

Rev. B 1-17-03

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Contents What to do if YOU Smell GAS For Your Safety Read Before OperatingFor additional free copies of this manual call 800 Table of Contents Code Requirements Important NoticesSafety Rules Warranty InformationOperation contd Lighting Instructions For Your Safety Read Before LightingTo Turn OFF GAS to Heater Dual Temperature Control System Operating ControlsMaintenance Instructions Energy Saving TipsSpring and Fall Operation Winter OperationMaintenance contd Chemical BalanceIf pH becomes too high over alkaline, it has these effects Alkalinity High LowInstallation Instructions SpecificationsPlumbing Connections Installation contdPlumbing Water Connections Insulating the High LimitsGAS Line Installations GAS ConnectionsRegulated Manifold Pressure Test Outdoor Installation only VentilationFront Stack Type Indoor Draft Hood KIT MiniMax CH Millivolt Wiring Diagram ElectricalTroubleshooting General Heater Short Cycling Rapid On and Off OperationMinimax CH Heater ALL Models MiniMax CH Parts List MiniMax CH Parts List, contd Rev. B MiniMax CH 150 IID Model To Turn OFF GAS to Appliance Operating InstructionsOperation Safety Lockout Indicator Light Description Thermostat Knob StopperTroubleshooting Controls Heat HeatTroubleshooting Controls Transformer Wiring Instruction InstallationRegulated Manifold Pressure Test Electronic Ignition Wiring DiagramRemote Switch Dual Therm IID only Wire RemoteMinimax CH Heater 150 IID Model MiniMax CH Parts List 150 IID Model MiniMax CH Parts List 150 IID Model, contd Rev. B MiniMax CH Heaters Limited Warranty
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CH specifications

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