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E. Freeze Protection Thermostat (FPT)
An FPT is located on the top and bottom of the evaporator coil. It detects frost
XII. RELIEF DEVICES
All units have relief devices to protect against damage from excessive pressures (e.g., fire). These devices protect the high and low side.
XIII. CONTROL CIRCUIT, 24-V
This control circuit is protected against overcurrent by a
XIV. REPLACEMENT PARTS
A complete list of replacement parts may be obtained from any Bryant distributor upon request.
XV. ECONOMI$ER LEDs
The EconoMi$er control module has LEDs for diagnostic purposes. The flash code identification is shown in Table 17.
XVI. OPTIONAL HINGED ACCESS DOORS
When the optional service package is ordered or the if the hinged access doors option is ordered, the unit will be pro- vided with external and internal hinged access doors to facil- itate service.
Four external hinged access doors are provided. All external doors are provided with 2 large 1/4 turn latches with folding
Two internal access doors are provided inside the filter/drive access door. The filter access door (on the left) is secured by 2 small 1/4 turn latches with folding
LEGEND AND NOTES FOR FIG. 36 AND 37
AHA — Adjustable Heat Anticipator BRK W/AT — Breaks with Amp Turns
C— Contactor, Compressor
CAP — Capacitor
CB — Circuit Breaker
CC — Cooling Compensator
CH — Crankcase Heater
CLO — Compressor Lockout
COMP — Compressor Motor
CR — Control Relay
DAT — Discharge Air Thermistor
DM — Damper Motor
DU — Dummy Terminal
EC — Enthalpy Control EQUIP — Equipment
FL — Fuse Link
FPT — Freeze Protection Thermostat
FU — Fuse
GND — Ground
|
| LEGEND |
|
|
HC | — Heater Contactor | TB | — Terminal Block | |
HPS | — | TC | — Thermostat Cooling | |
HTR | — Heater | TH | — Thermostat Heating | |
IFC | — | TRAN — Transformer | ||
IFCB — |
| Terminal (Marked) | ||
IFM | — |
| ||
|
| |||
IFR | — |
| Terminal (Unmarked) | |
L | — | Light |
| |
|
| |||
LPS | — |
| Terminal Block | |
LS | — | Limit Switch |
| |
|
| |||
NEC — National Electrical Code |
| Splice | ||
OAT | — |
| ||
|
| |||
OFC — |
| Factory Wiring | ||
OFM — |
| |||
| Field Wiring | |||
OP | — | Overcurrent Protection |
| |
PL | — Plug Assembly |
| Option/Accessory Wiring | |
PRI | — | Primary |
| |
| To indicate common potential | |||
QT | — | Quadruple Terminal |
| |
SW | — | Switch |
| only; not to represent wiring. |
NOTES:
1.Compressor and/or fan motor(s) thermally protected;
2.If any of the original wire furnished must be replaced, it must be replaced with type 90° C wire or its equivalent.
3.Jumpers are omitted when unit is equipped with EconoMi$er.
5.IFCB must trip amps is equal to or less than 140% FLA.
6.The CLO locks out the compressor to prevent short cycling on compressor over- load and safety devices. Before replacing CLO, check these devices.
7.Number(s) indicates the line location of used contacts. A bracket over (2) numbers signifies a