Marley Series 500 Installation Instructions Manual

CAT. NO. ACCESSORY
T Single Pole Internal Thermostat;
Temp Range: 40°F - 95°F
24R Control Relay; 24 VAC Holding Coil
R12 Control Relay; 120 VAC Holding Coil
DS Supply Power Disconnect Switch
TR4 Transformer and Relay
TR7 Transformer and Relay
WARNING
!
THIS INSTRUCTION SHEET CONTAINS VITAL INFORMATION
FOR THE PROPER INSTALLATION, USE AND EFFICIENT
OPERATION OF THE HEATER. CAREFULLY READ THE MAN-
UAL BEFORE INSTALLATION, OPERATION, OR CLEANING
OF THE HEATER. FAILURE TO ADHERE TO THE INSTRUC-
TIONS COULD RESULT IN FIRE, ELECTRIC SHOCK, DEATH,
SERIOUS PERSONAL INJURY OR PROPERTY DAMAGE.
WARNING
!
MAKE SURE ALL POWER IS DISCONNECTED AT SUPPLY
BEFORE INSTALLING.
INSTALLATION OF POWER DISCONNECT SWITCH (DS)
Surface Mount and Recessed Mount Except T-Bar
Mounting:
1. Install disconnect switch in the surface mounting plate or
recess box as shown in the heater installation instructions
and Figure 1 with the terminals marked L1, L2 and L3 toward
the knockout.
2. Remove and discard the wire from the terminal marked T3 on
the disconnect switch if the power supply is single phase.
3. Install field wiring to the disconnect switch terminals marked
L1 and L2 (and L3 for three phase).
4. Install heater as shown in the heater installation instructions.
5. Remove wiring cover from front of heater and wire T1 and T2
40485
Series 500 Ceiling Mounted

Installation Instructions

ELECTRICAL RATING
25A; 120-277 VAC Res.
720 Pilot Duty
Inductive Amps: 7.0 @ 120 - 277 VAC.
Resistive Amps: 25 @ 120 - 277 VAC.
Inductive Amps: 7.0 @ 120 - 277 VAC.
Resistive Amps: 25 @ 120 - 277 VAC.
30A (MAX Load 24A) 208 - 600 VAC, 3 Pole, 10
Transformer: 208/240 VAC primary; 24 VAC
secondary. - Relay: 24 VAC Holding Coil
Transformer: 277 VAC primary; 24 VAC
secondary. - Relay: 24 VAC Holding Coil
SAVE THESE INSTRUCTIONS
03/15
Fan Forced Heater
Electrical Accessories
Time Delay: 45 - 60 sec.;
to close when energized.
Time Delay: 45 - 60 sec.;
to close when energized.
Time Delay: 45 - 60 sec.;
to close when energized.
Time Delay: 45 - 60 sec.;
to close when energized.
(and T3 for three phase) from the disconnect switch to the
power block on the heater. (See Wiring Diagram, Figure 3).
6. Turn disconnect switch clockwise to energize circuit.
T-Bar Mounting:
1. Install disconnect switch in the recess box as shown in the
heater installation instructions and Figure 1 with the terminals
marked L1, L2, and L3 toward the knockout.
2. Remove and discard the wire from the terminal marked T3 on
the disconnect switch if the power supply is single phase.
Figure 1
REMARKS
-
-
5200-2070-004