Introduction
The Uponor Zone Control Module
is a printed circuit control and
diagnostic device designed for use
with Uponor Thermostats, Motorized
Valve Actuators (MVAs), Thermal
Actuators or Zone Valves.
The module provides the following.
• A connection to the power supply
transformer
• Interconnections between the
individual thermostats and their
respective MVAs, thermal actuators
or zone valves
• The connection between the end
switches and the pump or boiler relay
The modules are internally fused for
protection from over current or direct
shorts from the power supply
transformer. The end-switch circuit
is also protected from over current
and a 2 amp fuse is factory installed.
Note: Because the E/S terminals are
completely isolated, the modules
no longer require separate
transformers on R and C and
E/S terminals. Pay careful
attention to transformer sizing
if using only one transformer.
Part No.
Part Description
A3030003
Three-zone Control Module
A3030004
Four-zone Control Module
Table 1: Product Descriptions
Specifications
Power Input
End-switch Circuit
Recommended Thermostat
Wire Size
Part No.
Part Description
Motorized Valve Actuator
A3020522
A3070526
1" Zone Valve
A3010522
Thermal Actuator
Table 2: Maximum Number of Zones on a Transformer
Zone Configurations
The Uponor Zone Control Modules
are available in both three- and four-
zone configurations. Boards can be
ganged together to expand the
number of zones.
Note: The new Zone Control
Modules are note able to be
ganged with older modules.
The new modules have a black
tint base; the old modules
have a green tint base.
LED
Definition
Green
Module has power
Yellow
Shows which zones are calling for heat
Red
Indicates which end switches are closed and
completing the circuit for the pump or boiler relay
Table 3: LED Definitions
RADIANT HEATING SYSTEMS
ZONE CONTROL
MODULE
INSTRUCTION SHEET
Width
6"
8"
24VAC
Dry contact equivalent nominal
24VAC, 2A maximum
18GA
50VA
75VA
6
9
6
9
12
19
Display
Light-emitting diodes (LEDs) indicate
various functions of control. Refer to
Table 3 for LED definitions.
Connecting Instructions
Refer to the following instructions
to properly connect the module.
1. Connect modules in series via a
module jumper (provided).
2. Fasten the jumper within the input and
output blocks of the corresponding
modules (see Figure 1 on page 2).
Height
2"
2"
100VA
12
12
25
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