Operating Instructions
Table Of Contents
- Manual Organization
- Manual Conventions
- Manual Symbols
- Datamate Software
- Getting Help
- Where To Send Comments
- Introduction
- Basic Operation
- Application 2273: Multiple Compressor Heat Pump with Reversing Valve Control and Mixed Air Control
- Application 2274: Multiple Heating and Cooling Heat Pump with Mixed Air and Internal Reversing Valve Control
- Application 2290: Heat Pump ControlIer Multi Stage Slave Mode
- Overview
- Overview
APOGEE Heat Pump Controller—Multi-Stage Owner's Manual
24 V-AC
AOV1 (O-10V)
DO1
DO2
DO3
DO4
DO5
DO6
DO7
DO8
DI4
DI3/AI3
DI2
FLN TRUNK
RTS
N.O.
HEAT PUMP
CONTROLLER -
MULTI-STAGE
RTS
TEC2274CDR2
FAN
WALL
SWITCH
(OPTIONAL)
ELECTRIC
HEAT
(OPTIONAL)
COIL
HEATING /
COOLING
COIL
WATER
SOURCE
COMPRESSOR 2
REVERSING
VALVE*
SUPPLY AIR
O.A.
N.C.
R.A.
ELECTRIC HEAT (OPTIONAL)
1ST HEATING COMPRESSOR
2ND HEATING COMPRESSOR
1ST COOLING COMPRESSOR
2ND COOLING COMPRESSOR
FAN
HEAT PUMP ALARM (OPTIONAL)
MIXED AIR TEMPERATURE SENSOR (OPTIONAL)
N.O.
* CONTROLLED INTERNALLY BY THE HEAT PUMP
** THE O.A. AND R.A. DAMPERS MUST
BE MECHANICALLY LINKED.
R.A.
DAMPER**
(OPTIONAL)
MIXED AIR
TEMPERATURE
SENSOR
(OPTIONAL)
COMPRESSOR 1
REVERSING
VALVE*
COIL
COIL
O.A.
DAMPER**
(OPTIONAL)
Figure 2-2. AppIication 2274 Control Drawing.
14 Siemens Building Technologies, Inc.