Tempstar F8MTL, Руководство по установке

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Specifications are subject to change without notice.
Figure 30 − Two − Stage Furnace and Humidifier Only
Figure 31 − AC with Two − Stage Furnace, Humidifier, and
Dehumidification
Figure 32 − HP with Two − Stage Furnace, Humidifier, and
Dehumidification
For Figure 26 − Figure 32
1. Refer to outdoor equipment Installation Instructions for
additional information and setup procedure.
2. Outdoor Air Temperature Sensor must be attached in
all dual fuel application.
3. Refer to ICP thermostat Installation Instructions for
additional information and setup procedure.
4. When using a Humidity Sensing Thermostat, set
DEHUMIDIFY OPTIONS to H DE − ENRGZD FOR
DEHUM
5. Optional connection for Two − Stage: If wire is
connected, SW1 − 1(TT) on furnace control should be
set to ON position to allow ICP Thermostat to control
the furnace staging.
6. HUM 24VAC terminal 24 VAC and is energized when
the low pressure switch closes during a call for heat.
7. When connecting 115 VAC to humidifier use a separate
115 VAC supply.
8. When using a humidifier on a HP installation, connect
humidifier to hot water.
ACCESSORIES
1. Electronic Air Cleaner (EAC): Connect an accessory
Electronic Air Cleaner (if used) using 1/4 − in female
quick connect terminals to the two male 1/4 − in
quick − connect terminals on the control board marked
EAC 1 AMP and NEUTRAL. The terminals are rated for
115VAC, 1.0 amps maximum and are energized during
blower motor operation. (See Figure 33)
2. Humidifier (HUM 24VAC and HUM)
a. HUM 24VAC: Connect an accessory 24 VAC, 0.5
amp maximum humidifier (if used) to the ¼ − in male
quick − connect HUM 24VAC terminal and C screw
terminal on the control board thermostat strip. The
HUM 24VAC terminal is energized when there is a
call for heat (W) and the pressure switch (PRS)
closes. (See Figure 33 and Figure 55).
b. HUM: connect an accessory 115VAC (EAC and .
HUM and 1 amp maximum combined) humidifier (if
used) to the ¼ − in male quick connect HUM terminal
and NEUTRAL ¼ − in QUICK CONNECT. THE hum
terminal is energized when the inducer motor is
energized (IDR). (See Figure 33 and Figure 55).
NOTE : A field − supplied, 115 − v controlled relay connected to
EAC terminals may be added if humidifier operation is
desired during blower operation.
NOTE : DO NOT connect furnace control HUM 24VAC
terminal to H (humidifier) terminal on humidity sensing
thermostat, or similar device. See humidity sensing
thermostat, thermostat, or controller manufacturer’s
instructions for proper connection.
VENTING
The furnace shall be connected to a listed factory built
chimney or vent or a clay − tile lined masonry or concrete
chimney. Venting into an unlined masonry chimney or
concrete chimney is prohibited. When an existing Category I
furnace is removed or replaced, the original venting system
may no longer be sized to properly vent the attached
appliances. An improperly sized Category I venting system
could cause the formation of condensate in the furnace and
vent, leakage of condensate and combustion products, and
spillage of combustion products into the living space.