Install Instructions
Table Of Contents
69-1519 G.H. 02-01 www.honeywell.com
MOTOR SWITCH TERMINAL (MSTN)
Printed in U.S.A. on recycled
paper containing at least 10%
post-consumer paper fibers.
Home and Building Control Home and Building Control
Honeywell Honeywell Limited-Honeywell Limitée
1985 Douglas Drive North 35 Dynamic Drive
Golden Valley, MN 55422 Scarborough, Ontario
M1V 4Z9
Fig. 1. Motor internal wiring diagram with damper in
the open position.
Fig. 2. Wiring a single damper from a three-wire
control panel.
Fig. 3. Wiring two dampers in tandem from a three-
wire control panel.
Fig. 4. Wiring damper motor controlled by three-wire
thermostat with an additional slave damper.
Fig. 5. Wiring five-wire control panel with additional
slave damper.
CHECKOUT
Before leaving the installation, be sure the motor powers
the damper open and closed correctly.
TROUBLESHOOTING
1.
Remove all wires from the motor.
2.
Place 24 Vac on terminals 1 and 2; jump terminals
4 and 5 and observe motor moving to open.
3.
Check terminals 2 to 3 and 2 to Z for continuity.
4.
Jump terminals 5 and 6 and observe motor moving
to close.
5.
Check continuity across terminals 2 and X.
456Z
1
MOTOR
23X
M14890
4 5
Damper Motor
6 Z
M6 CLOSED
PANEL MOTOR TERMINALS
M4 OPEN
M1
NOTE:
THE THREE-WIRE CONTROL PANEL SUPPLIES
24 VAC POWER TO DRIVE THE DAMPER OPEN
ON TERMINALS M1 AND M4 AND TO DRIVE THE
DAMPER CLOSED ON M1 AND M6.
TO CHECK OUT THE MOTOR, JUMP TERMINALS
2 AND 5 AND SUPPLY 24V TO MOTOR TERMINALS
1 AND 4 OR 1 AND 6 TO DETERMINE MOTOR
OPERATION.
FIELD JUMPER MUST BE ADDED ACROSS
TERMINALS 2 AND 5 ON DAMPER MOTOR.
COMMON
M14891
123X
4 5
R/5
THERMOSTAT (SPDT)
TRT(-W) (T87F3707 OR 3715)
TRT(-W) AND HCRS(-W) (Q539B1021 OR Q539B1039)
T87F1859
NOTE:
WIRING FOR SECOND SLAVE DAMPER MOTOR
SHOWN, WHERE APPLICABLE.
24V TRANSFORMER
Y/6W/4
Damper Motor
6 Z
123X
4 5
Damper Motor
M14892
6 Z
123X
4 5
Damper Motor
6 Z
M6 CLOSED
PANEL MOTOR TERMINALS
M4 OPEN
COMMON
M1
NOTE:
WHEN TWO DAMPERS ARE NEEDED TO OPERATE FROM ONE ZONE, THEY
ARE WIRED IN TANDEM. WHEN OPENING, DAMPER A STARTS OPENING
FIRST AND FEEDS POWER TO DAMPER B TO OPEN. WHEN CLOSING,
DAMPER B STARTS AND FEEDS POWER TO DAMPER A TO CLOSE.
WHEN THREE OR MORE DAMPERS ARE REQUIRED TO OPERATE
SIMULTANEOUSLY, A SLAVE DAMPER CONTROL RELAY, SDCR, IS REQUIRED.
FIELD JUMPER MUST BE ADDED ACROSS TERMINALS 2 AND 5 ON
DAMPER MOTOR.
DAMPER BDAMPER A
M14893
123X
4 5
Damper Motor
6 Z
123X
4 5
M1
NOTE:
WIRING FOR SECOND SLAVE DAMPER
MOTOR SHOWN, WHERE APPLICABLE.
FIELD JUMPER MUST BE ADDED
ACROSS TERMINALS 2 AND 5 ON
SLAVE DAMPER MOTOR.
Damper Motor
6 Z
123X
4 5
Damper Motor
M14894
6 Z
123X
M2
M4
M5
M6
CLOSED
OPEN
24 VOLTS