Lifebreath 4TONVENTAC, 60DHW(T) System Commissioning, Water Pump Performance Specifications

Page 35

System Commissioning

This section of the manual is designed to be used with the “Commissioning of Integrated Combo System” worksheet. The worksheet is designed to guide you through the start-up process in a logical, step by step method which should minimize the work and time involved in having the system meet the designed parameters.

The following conditions are assumed:

•

•

•

•

•

•

•

•

The air filter is in place

All supply diffusers and return grilles are fully open and unrestricted

Hot water is available to the furnace

The drain valve for the heating loop is closed

The shut off valves for the heating loop are fully open

The throttling valve for the heating loop (if applicable), is fully opened

Electrical power is available at the furnace

The return air temperature from the house is approximately 70˚F (21˚C)

Water Pump Performance Specifications

Total Head in Feet

Model 40

16

14

12

10

8

6

4

2

0

1

2

4

6

8

10

12

Capacity on U.S. gpm

Total Head in Feet

Model 60

16

14

12

10

8

6

4

2

0

1

2

4

6

8

10

12

14

16

18

20

Capacity on U.S. gpm

35

Image 35

Contents OPERATION, Sizing and Installation Manual Table of Contents Introduction Description and Purpose Closed/Open Combo System Combo System Basic PrinciplesWater Piping Call for Space Heating Only OperationCall for Domestic Hot Water and Space Heating Operation Air SystemManual Valves Check Valves Shut Off ValvesDrain Valve Throttling ValveOff Season Circulation Controls Expansion TanksCold Anti-Scald ValveRoom Thermostat Air Handler Return Air TemperatureAir Handler Temperature Rise Water Heater ThermostatFlow Rate Design vs. Field ConditionsWater System Pressures Head PressureFilters Case Dimensions & ClearancesWarranty Model 40DHW Up Flow60DHW Model 60DHW Up Flow40DHWDF Model 40DHWDF Down Flow60DHWDF Model 60DHWDF Down Flow40DHWH Model 40DHWH Horizontal60DHWH Model 60DHWH Horizontal4TONDHW High CFM Lower Btuh Output40VENTAC Model 40VENTACCore Filters Case 60VENTAC Model 60VENTAC4TONVENTAC Model 4TONVENTACOption 1 Ventilation Ports Off Left Side Locating The UnitDuct Connections Ducting Option 2 Ventilation Ports Off Right SideHorizontal Version Locating Weatherhood Locating Intake WeatherhoodLocating the Exhaust Weatherhoods Outside Ducting the WeatherhoodsPrior to balancing, ensure that Balancing ProcedurePitot Tube Air Flow Balancing Balancing Collar Instructions Placement of the Pitot TubePitot Tube and Gauge Piping HRV Drain Line DiagramDrain Line Water Heater PlumbingElectrical Clean Air Furnace Wiring DiagramOptional Dehumidistat Following conditions must be met prior to start-up Start-Up Procedure Ventilation Optional Circulation Timer Models Operation Heating/CoolingHRV core freezes up TroubleshootingLack of heat Pump is noisyHumidity levels are too low During cooling cycle, hot water circulates through the coilWater sits in drain pipes Condensation/ice forming inside ventilation ductsSystem Commissioning Water Pump Performance SpecificationsWorksheet for Integrated Combo System Design Part a Design Load Specifications Method a domestic hot water usage for C.1 Part D Proving Required Water Flow Commissioning of Integrated Combo System HRV Balancing McCormick Blvd. London, Ontario N5W 4C8