Installation - Honeywell TrolaTemp MABS EZ-2 Product Data

MASTERTROL® AUTOMATIC BALANCING SYSTEM™ (MABS®) EZ ZONE (EZ-2 AND EZ-4) CONTROL PANELS
Dampers: See Fig. 3-7 for hookup drawings. See Table 2 for
recommended dampers.
Table 2. Recommended Dampers.
Honeywell
Damper Types Round
Power-open/ MARD
power-closed
Spring-open/ ARD
power-closed
Accessory
40 VA Transformer
Capacity Protector
Round Static Pressure Regulator
Damper (SPRD)
Rectangular Static Pressure Regulator
Damper (SPRD)

INSTALLATION

Mounting
CAUTION
Equipment Damage Hazard.
Do not mount MABS EZ inside HVAC equipment.
Mount only on wall or on cold air return
1. Mount the thermostats in each zone of the living space
using the installation instructions provided with each
thermostat.
2. Mount the dampers in the ductwork using the installa-
tion instructions provided with each damper.
3. Mount the MABS EZ Zone Panel near the HVAC equip-
ment; locate it on a wall or on the cold-air return.
4. Level the MABS EZ for appearance only.
Rectangular
AOBD
AOBD-BM
CDO-51
ZDB
ZDS
Table 3. Required Accessories (Not Supplied With Panel).
Description
AT140D1046 (PMT-40)
ZMS/C7735
7 SPRD
8 SPRD
9 SPRD
10 SPRD
12 SPRD
14 SPRD
16 SPRD
18 SPRD
12 x 8 SPRD
12 x 10 SPRD
12 x 12 SPRD
20 x 8 SPRD
20 x 10 SPRD
20 x 12 SPRD
Accessories:
For required accessories, see Table 3.
_
_
300
400
600
750
1200
1800
2400
3200
1000
1200
1400
1600
2000
3000
Wiring
CAUTION
Voltage Hazard.
Can cause electrical shock or equipment damage.
Disconnect power before continuing installation.
Wiring must comply with applicable codes, ordinances, and
regulations.
1. Connect thermostats as shown in Fig. 1 and 2.
2. Connect dampers as shown in Fig. 3-7.
3. Connect the ZMS (not supplied) to the TL terminals.The
wires are not polarized. See Fig. 9.
4. Connect the HVAC equipment to the equipment termi-
nals on the left side of the panel. See Figures 10-13.
5. Connect a 40 VA, 24 volt transformer (not supplied) to
TR1 (common) and TR2 (hot). This must be a dedicated
transformer. See Fig. 8.
3
Bypass Rated Capacity
(cfm)
69-1360–2