Johnson Controls MAHP18B21S - Figure 34. Thermistor Installation with Details

PMGB0406B rev.1
60
NOTES:
1. Pay attention to the attaching direction and position of the lead cable.
2. Make sure the cables are spaced appropriately and ¿ rmly fastened to ensure against contact to runner,
electrical short circuit, sparks, and ¿ re.
3. For optimal performance, be sure the liquid pipe thermistor is installed inside the unit and gas pipe
thermistor in the closest straight part of the unit.
The thermistor must be installed properly in order to avoid water onto the thermistor.
Item
PCB Connector/
Thermistor Connector
Color
PCB Connector
Number
Thermistor
Length
[ inch (mm) ]
Air Inlet Thermistor Blue THM1 47-1/4 (1200)
Air Outlet Thermistor Red THM2 47-1/4 (1200)
Air inlet and outlet thermistors are supplied with the control box. The purpose and identi¿ cation of each one
is as follows:
Figure 34. Thermistor Installation with Details
21.4.3.2 Air Inlet and Outlet Thermistor
Liquid Pipe Thermistor
Liquid Pipe Thermistor
Thermistor Holder
Piping
Thermistor
Butyl Sheet
Pipe Insulation
Pipe Insulation
Gas Pipe Line
Liquid Pipe Line
Pipe Thermistor
Butyl Sheet
Cable Clamp
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2016/11/2515:32:59