Brochure

All specications subject to change without notice.
©2018 ECR International, Inc.
PN 240011958 REV. [12/11/2018]
2201 Dwyer Avenue, Utica, NY 13501
Tel. [phone]
www.ecrinternational.com
BDR THERMEA GROUP
Universal Zone Control - Electrical Specications
Model
Number
Zones
Transformer
Voltage
Relay Switching
Action
Amp Draw
Per
Zone
Max
Total
UZ3 3 120 V/60 Hz/40 VA SPST 7.2 A 12 A
UZ4 4 120 V/60 Hz/75 VA SPST 7.2 A 20 A
UZ6 6 120 V/60 Hz/75 VA SPST 7.2 A 20 A
Expansion Module - Electrical Specications
EZ1 1 120 V/60 Hz/30 VA SPST 7.2 A 12 A
EZ3 3 120 V/60 Hz/40 VA SPST 7.2 A 12 A
Additional Features
■ Pump Relay Ratings: 115 V ac - 7.2 Amps
■ Programmable Pump Purge: select duration and target zone
■ Pump Exercising for 30 seconds: (off, 1 day, 7 days, or 30 days)
■ Priority Protection: (off, 30, 45, 60, 75, 90 Minutes)
■ ZC/ZR programmable active or inactive - tankless coil boiler
■ Plug-in port to connect to Argo DPM-2 outdoor reset control
■ Power Monitoring with:
• High Volt Circuit - Over current protection with replaceable fuse
• High Volt Circuit - Brown out, transient and surge protection - auto reset
• Low Volt Circuit - Over current protection - auto reset
Wiring Diagram Notes
■ The switching relay terminals are
approved for use with copper
wires only
■ Torque terminal block screws 6 to
7 inch pounds
■ When using a two wire zone valve,
a jumper wire is required across
terminals three and four
ZONE 1
LINE
115 Vac
ZRZC
115 Vac
N
L
1
L
N
ZONE PUMPS
ZONE 1
R
T
THERMOSTATS
ZONE VALVES
ZONE 3ZONE 2
1
NEC Class 2 Low Voltage (24Vac)
PRIMARY
ZC/ZR
BOILER
T
T
N
G
L
CH
D
W
H
BOILER
T
T
CH
DIGITAL LCD USER DISPLAY
ZC
ZR
MODE UP DOWN
2 3 4 1 2 3 4 1 2 3 4
W
T C
R
T
W
T C
R
T
W
T C
ZONE 2 ZONE 3
NEC Class 2 Low Voltage (24Vac)
2
L
N
3
L
N
GND
G
G
GG
1
L
N
PUMP
DPM2
L
N
G
FIELD SUPPLIED POWER PER NEC,
CEC AND LOCAL CODES
RACCORDEMENTS EFFECTUÉS SUR PLACE CONFORMÉMENT
AU NEC/CCE ET AUX CODES LOCAUX EN VIGUEUR
CHAUDIÈRE
CHAUDIÈRE
PUMP
POMPE
PUMP
POMPE
N
G
L
TRANSFORMER
TRANSFORMATEUR
POMPE DE ZONE
ZONE PUMPS
ZONE THERMOSTATS
ZONE VALVES
THERMOSTATS DE ZONE
VANNES DE ZONE
PRIMARY PUMP
POMPE PRIMAIRE
4 Wire Valve 3 Wire Valve
1 2 3 4 1 2 3 4 1 2 3
R
T
W
T
ANY
ZONE
INDIRECT HOT WATER
THERMOSTAT
DATA PORT
OPTIONAL
OPTION
EAU CHAUDE INDIRECT
THERMOSTAT
UZ3 UNIVERSAL ZONE CONTROL
ZONE MODULE
TO EXPANSION
CABLE
COMMUNICATION
ZONE MODULE
TO EXPANSION
24V
Vac
L
C
R
N
115
COM
Vac
Fuse
PTC
12A 250V
LINE
115 Vac
1
115 Vac
N
L
PUMP
THERMOSTAT
ZONE VALVE
NEC Class 2 Low Voltage (24Vac)
IN OUT
ZONE MODULE
FROM EXPANSION
G
POMPE DE ZONE
ZONE PUMP
GND
L
N
G
FIELD SUPPLIED POWER PER NEC,
CEC AND LOCAL CODES
RACCORDEMENTS EFFECTUÉS SUR PLACE CONFORMÉMENT
AU NEC/CCE ET AUX CODES LOCAUX EN VIGUEUR
EZ1 EXPANSION MODULE, 1-ZONE
CABLE
COMMUNICATION
ZONE MODULE
TO EXPANSION
TRANSFORMER
TRANSFORMATEUR
24V
Vac
C
R
N
115
COM
Vac
Fuse
PTC
12A 250V
UNIVERSAL ZONE CONTROL