Install Instructions

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Zone Valve Control 303V

Installation Manual

Call

Valve

Open

Zone Valve Control 303V

Three Zones with Priority

H3026A

Power

Priority

System

Pump

Zone 1

Zone 2 Zone 3

RoomResponse

The Zone Valve Control 303V connects up to three thermostats and operates a circulator and zone valves to provide

heating to a zoned hydronic heating system.

• RoomResponse

signal

• Compatible with all low voltage thermostats

• Unlimited zone expansion

• Zone priority

• Priority override

• Pump exercising

• Post purge

• Away signal shared between tekmar thermostats

Features

• LED for each zone, priority, end switch and

RoomResponse

• Four ground screws

• Top, bottom and back conduit knockouts

• Fuses protect transformers and pumps

• Two spare fuses included

• CSA approved

Summary of content (12 pages)

PAGE 1
Installation Manual Zone Valve Control 303V The Zone Valve Control 303V connects up to three thermostats and operates a circulator and zone valves to provide heating to a zoned hydronic heating system.
PAGE 2
Table of Contents Important Safety Information.......................................... 2 Installation....................................................................... 3 Packaging Contents.................................................... 3 Tools Required............................................................ 3 Materials Required...................................................... 3 Location...................................................................... 3 Installing the Enclosure.....
PAGE 3
Radio Frequency Interference The installer must ensure that this control and its wiring are isolated and/or shielded from strong sources of electromagnetic noise. Conversely, this Class B digital apparatus complies with Part 15 of the FCC Rules and meets all requirements of the Canadian InterferenceCausing Equipment Regulations.
PAGE 4
Application 303V-1 The Zone Valve Control 303V operates three heating zones. When the thermostat calls for heat, the zone valve opens, the system pump is turned on and the boiler is fired.
PAGE 5
Application 303V-2 The Zone Valve Control 303V operates a two heating zones and a domestic hot water tank. When a thermostat calls for heat, the zone valve opens and the system pump and the boiler turn on once the zone valve end switch closes. The domestic hot water tank is heated using a pump. When priority is selected, the heating zones are shut off while the hot water tank is heated.
PAGE 6
Application 303V-3 Two Zone Valve Controls operate six heating zones and a domestic hot water tank. When a thermostat calls for heat, the zone valve opens. The hot water tank is heated using a pump when the tank aquastat calls for heat. The master control operates the system pump and the boiler when there is a call for heat on either the master or member control.
PAGE 7
User Interface - Indicator LED Power • On when 115 V (ac) is applied. • Off when power disconnected or transformer fuse is blown. Priority • On when zone 1 has priority over zones 2 and 3. • Flashing while in priority override. RoomResponseTM • On when modulating condensing boiler is operating below maximum setting. System Pump • On when zone valve end switches are closed (valve open). • Off when zone valve end switches are open circuit (valve closed). Zone 1 Call • On when thermostat 1 calls for heat.
PAGE 8
Expansion Terminals • Connect the five wires of the expansion bus from the master to the member controls. 70 80 Terminal Description A/tN4 Away signal connecting tekmar thermostats B RoomResponseTM signal from member controls C Power common D Demand signal. 0 Vdc = demand. 2 Vdc = no demand E Priority signal. 0 Vdc = priority. 2 Vdc = no priority 90 50 100 MOD MAX % Mod Max % dial set to 100% in the illustration.
PAGE 9
Aerco AM Series – Camus Modulating MicoFlame 22 23 + – 303V – + Aerco AM + 303V 5 6 – + Camus Micoflame • No changes to the boiler are required. • Change control to mode 6 in the control parameters. Bosch Greenstar Heat Transfer Products Elite – 9 10 + – 303V – + 16 17 + + 303V Bosch ICM – HTP Elite • Install the Bosch ICM as per the directions. • Set ICM jumper to the left position to enable system supply water temperature (VT) mode.
PAGE 10
Laars Mascot FT – Peerless Pinnacle PF-200, 210, 300, 399 16 17 + + 303V – – Laars Mascot FT 15 16 + – 303V • No changes to the boiler are required.
PAGE 11
Raypak XFyre and XPakFT – + X X 303V Viessmann Vitodens 200-W, B2HP and Vitocrossal 300 CU3A + – T 8 9 9 10 – T J2 J1 Raypak XFyre or XPakFT + 1 2 + – Viessmann Extension Module EA1 Plug 0-10V 303V • Set boiler PIM DIP switch 2 to Down. • Set boiler PIM DIP switch 5 to Up. • Connect to the Viessmann Extension Module EA1 Plug 0-10V.
PAGE 12
Warranty Limited Warranty The liability of tekmar under this warranty is limited. The Purchaser, by taking receipt of any tekmar product (“Product”), acknowledges the terms of the Limited Warranty in effect at the time of such Product sale and acknowledges that it has read and understands same. tekmar Limited Warranty are the Purchaser’s sole responsibility and obligation.