Unit Installation
5.11.6 Low-Voltage VA Draw
Table 7 Low-Voltage VA Draw Table
Standard Construction Refrigerant Options Electrical Options
Component VA Component VA Component VA
Reversing Valve Solenoid 1 12 Total VA Draw from “Standard” 64 583 DDC 26
Reversing Valve Solenoid 2 12 Hot Gas Reheat Solenoid 1 9 Reversing Valve Relay 10
Compressor Contactor 1 10 Hot Gas Reheat Solenoid 2 9 Aux Relay 10
Compressor Contactor 2 10 Economizer Valve 3 Hot Gas Reheat Relay 1 4
Blower Contactor 10 Hot Gas Reheat Relay 2 4
UPM Board First Stage 5 Economizer Relay 4
UPM Board Second Stage 5 Boilerless Control Relay 4
Cooling Relay 4
Heating Relay 4
Compressor Monitor Relay 4
Blower Monitor Relay 4
Energy Management Relay 4
Fire Alarm Relay 4
Total VA Draw 64 Total VA Draw 85
Total Draw is Dependent on
the Options Installed
5.12 Charging the Refrigeration Circuits (for Units with
Take-Apart Construction Only)
Units with the Take-Apart Construction option are shipped with a
holding charge of nitrogen. Field charging of the refrigeration
circuits is required for these units. Regular units are shipped
already charged.
NOTICE
To avoid the release of refrigerant into the atmosphere, the
refrigerant circuit of this unit must be serviced only by
technicians who meet local, state, and federal proficiency
requirements.
DANGER
Poisonous Gas
Poisonous gas can be created when refrigerant (R454B) is
exposed to open flames.
Follow conventional charging procedures. Also refer to 16.10
Charging Procedures on page #39 for additional precautions.
The amount of refrigerant required for each model is listed in
Table 3.
18 |
EC Series Heat Pumps — 8733841499 (2024/05)
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