Alpha Evoke 28 User Manual

Installation and Servicing
Instructions
Evoke 28 and 33
Wall Mounted, Fan Assisted, Room Sealed,
Gas Fired, High Efficiency Condensing Combination Boiler
Nepicar House, London Road,
Wrotham Heath, Sevenoaks,
Kent TN15 7RS
For Technical help or for Service call ...
ALPHA HELPLINE Tel: 0344 871 8764
website: www.alpha-innovation.co.uk
Set for use with Natural Gas
Leave these instructions with the User
These instructions have been carefully prepared but we reserve the right
to alter the specification at any time in the interest of product improvement.
© Alpha Therm Limited 2018.
Part No. 1.042372 rev. ST.003782.000
0918/D386
Alpha Evoke 28 (NG) G.C. No. 47 532 71
Alpha Evoke 28 (LPG) G.C. No. 47 532 75
Alpha Evoke 33 (NG) G.C. No. 47 532 72
Alpha Evoke 33 (LPG) G.C. No. 37 532 76

Alpha Evoke 28 Specifications

General

Output	28kW
Flow Rate	11.4 l/min
ERP Rating	A
DHW Output (kW)	28kW
Type	Combi
Mounting	Wall Mounted
Central Heating Pressure	3 Bar

Summary

TECHNICAL DATA

3.1 TECHNICAL PERFORMANCE DATA - NATURAL GAS

3.2 TECHNICAL PERFORMANCE DATA - LPG

3.6 ELECTRICAL CONNECTIONS

Wiring details and safety for electrical connections.

GENERAL BOILER INFORMATION

4.1 GAS SUPPLY

4.2 ELECTRICAL SUPPLY

Electrical connection requirements and safety.

4.4 FLUE SYSTEM

4.5 FLUE TERMINAL LOCATION

Guidance on safe and compliant flue terminal positioning.

4.6 BOILER LOCATION

4.8 FILLING THE CENTRAL HEATING SYSTEM

Procedure for filling and pressurising the heating system.

4.9 FLUSHING THE HEATING SYSTEM

INSTALLATION

5.2 CLEARANCES REQUIRED

5.3 PREPARE THE WALL

5.4 FIT THE BOILER

Procedure for mounting the boiler onto the bracket.

5.5 CONNECT THE PIPEWORK

Steps for connecting heating and hot water pipes.

5.6 FIT THE FLUE

Instructions for installing the flue system.

5.10 CONNECT THE MAINS SUPPLY

Electrical connection of the mains supply.

5.11 FITTING BOILER CONTROLS

COMMISSIONING

6.1 FILL THE SYSTEM

Procedure for filling and venting the system.

6.3 TEST FOR GAS TIGHTNESS AND PURGE THE SUPPLY

Checks for gas tightness and purging.

6.4 INITIAL LIGHTING

Steps for lighting and initial operation of the boiler.

6.5 BOILER OPERATION

6.6 CHECKING THE COMBUSTION

Procedure for checking and adjusting combustion levels.

6.7 FINAL COMMISSIONING

ROUTINE SERVICING

7.1 IMPORTANT NOTES PRIOR TO SERVICING

7.4 CLEANING THE ELECTRODES, BURNER AND FAN

7.5 CLEANING THE HEAT EXCHANGER

COMPONENT REPLACEMENT

8.2 DRAINING THE BOILER

8.3 IGNITION AND SENSING ELECTRODES

Replacing ignition and sensing electrodes.

8.4 MAIN BURNER

Replacing the main burner assembly.

8.5 FAN

Replacing the fan assembly.

8.6 FLUE TEMPERATURE SENSOR

8.9 GAS VALVE

Replacing the gas valve.

8.13 PRIMARY HEAT EXCHANGER

Replacing the primary heat exchanger.

ERROR CODES AND FAULT FINDING

9.1 CARRY OUT INITIAL FAULT FINDING CHECKS

Initial steps for diagnosing faults.

9.2 ERROR CODES AND FAULT FINDING

Table of error codes, descriptions, and causes.

GAS BOILER SYSTEM COMMISSIONING CHECKLIST

FILL AND PRESSURISE THE SYSTEM

OPERATING THE BOILER