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INSTALLATION, COMMISSIONING & SERVICING INSTRUCTIONS
ECONOMAIRE 90 HAS BEEN TESTED AND CERTIFIED BY ADVANTICA FOR USE WITH NATURAL GAS G20.
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ECONOMAIRE 90 is a fan assisted downflow ducted warm air heater, which is fan flued and room sealed. The heater is
supplied with digital temperature control for maximum comfort!
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The air heater output can be adjusted between 20.5kW (73.8MJ/h, 70,000 Btu/h) and 26.4kW (94.9MJ/h, 90,000 Btu/h)
"summer air circulation" of unheated air is available by manual selection (see the user's instructions).
These instructions are to be left with the User or adjacent to the Gas Meter
ECONOMAIRE 90
WARM AIR HEATER
Fig. 1
Heater with Sealing Panel removed
G.C. 42-416-19
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BRIEF DESCRIPTION
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Publication No. ZZ 1110/6
February 2008
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Thermista-stat
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Time control
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Air circulator fan
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Flue gas test point
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Gas connection
6.
Union
7.
Gas cock
8.
Ignition burner
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Main burner assembly
10.
FDC & limit switch
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Multifunction control
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Combustion air fan
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Control module
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LED diagonstics indicator
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Filter
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Flue adapter
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4" to 5" flue enlarger
WARNING!
This appliance requires a 5" flue.
Fig.2
Sealing Panel
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Summary of Contents for Johnson & Starley ECONOMAIRE 90
- Page 1 Sealing Panel BRIEF DESCRIPTION ECONOMAIRE 90 is a fan assisted downflow ducted warm air heater, which is fan flued and room sealed. The heater is supplied with digital temperature control for maximum comfort! The air heater output can be adjusted between 20.5kW (73.8MJ/h, 70,000 Btu/h) and 26.4kW (94.9MJ/h, 90,000 Btu/h)
- Page 2 Installation shall be in accordance with the current editions of:- Building Standards (Scotland) (Consolidation) Regulations Building Regulations Gas Safety (Installation and Use) Regulations (as amended) BS 7671 Institute of Electrical Engineers (I.E.E.) Wiring Regulations BS 6891 Installation of Low Pressure Gas Pipework of up to 28mm (R1) in domestic premises (2nd family gases). BS 5440 Pt.
- Page 3 In airing cupboard installations, the part used as the air heater compartment must comply with the relevant section of BS 5864 and must be completely separated by either a non-combustible partition or a perforated metal partition with the perforations not exceeding 13mm (1/2in). The secondary flue must be a tight fit where it passes through the partition and must be suitably protected (see BS 5440: Part 1).
- Page 4 FLUES The ECONOMAIRE 90 is designed to be used with a 125mm flue and the supplied flue enlarger MUST be fitted directly on top of the flue adaptor! The heater can be used with horizontal or vertical flue types C12 and C32 and you should also consult (or be familiar with) British Standards BS 5440 Pt.
- Page 5 Horizontally from a terminal on the same wall 300mm 220mm Flue Tube Outer Tube VERTICAL TERMINAL LOCATION: 5.3.1 The ECONOMAIRE 90 is designed to be used with a vertical flue where Plate Plate Wall the installation of a horizontal flue is either not possible or not desired.
- Page 6 Terminal Position Min Distance Directly below a window or other opening 300mm Above roof level (to base of terminal) 300mm From adjacent wall to flue 300mm From internal corner to flue 400mm From facing terminal 1200mm Between terminals 300mm Fig. 6 Below eaves or balcony NOT RECOMMENDED Recommended (Vertical)
- Page 7 ELECTRICAL WARNING: THIS APPLIANCE MUST BE EARTHED! 5.4.1 Mains. The heater is supplied with mains cable (PVC sheathed, heat resisting to 85 C), 3 core: Brown; Blue; Green/ Yellow, 6A, 0.75mm ), connected to a terminal block and exiting through the heater at the right hand top. The cable is suitable for a 230V 50Hz supply and requires connection to the fixed wiring using a double pole switched, fused spur with a contact separation of at least 3mm in ALL poles.
- Page 8 SYSTEM BALANCING: 6.2.1 Set the air heater electrical supply ON. 6.2.2 Set the thermista-stat to the “SUMMER AIRFLOW” position. 6.2.3 Balance the system to provide the required volume proportions at the warm air outlets. Note: If the system includes ceiling diffusers, the air through these should be NOT LESS THAN 1.5m/s (300ft/min), except for very small rooms, (i.e.
- Page 9 6.3.12 In the event of a lockout and the ignition and main burners failing to ignite, reference should be made to table 4 in the fault finding section of these instructions in order to establish the fault condition. 6.3.13 Allow the air heater to operate for a minimum of 15 minutes to ensure stability. 6.3.14 Reset the thermista-stat to the desired comfort level 6.3.15 Set the time control to the desired “on”...
- Page 10 A) Side-view (photograph) B) Rear-view (drawing) With Ignition Controller in place. With Ignition Controller removed. 1. Inlet Pressure Test Point. 2. Outlet Pressure Test Point. 3. Burner Pressure Adjuster. 4. Ignition Controller. Fig. 8 Multifunction Control in.wg. mbar 0.625 0.25 0.50 0.20 0.375 0.15...
- Page 11 MAINTENANCE NOTE: It is recommended that this appliance be serviced at intervals of no less than 12 months. IMPORTANT: Ensure that the gas and electricity supplies are isolated before commencing any maintenance or replacement of components. Because the appliance is room sealed, it is also imperative that if at any stage of repairs the gasket on the sealing plate is damaged it MUST be replaced! After completion of any maintenance, always test for gas soundness and carry out a complete functional test of the appliance in accordance with the Commissioning Instructions at paragraphs 6.1 to 6.6 inclusive.
- Page 12 8.3.4 Release the 2 screws, nuts and washers securing the main burner to the mounting bracket and remove the main burner. 8.3.5 Clean the burner thoroughly both inside and out with a soft brush. DO NOT ENLARGE, DISTORT OR DAMAGE BURNER HOLES.
- Page 13 8.7.3 Open the door assembly outwards on its hinges (see fig. 7) such that access is gained to the rear of the assembly. Time Control removal: 8.7.4 Disconnect spade terminal connectors “C1”, “C2”, “C3” and “C5” from the time control. 8.7.5 Release the 3 x fixing screws securing the clock mounting plate to the electrical door and withdraw the total assembly from the door.
- Page 14 8.10.6 Carefully withdraw the fan and its gasket from the collecter box, taking care not to damage the fan blades. 8.10.7 Remove all dust from both the impeller and motor, taking care not to disturb the balance of the fan. 8.10.8 Refitting/replacement is in reverse order.
- Page 15 START Timed or manual operation Thermista-stat Demand for air heat Pressure switches operate RESET Is no-flow LOCKOUT provided? Fan start Pressure switches operate Is flow provided? Spark/detect for pilot burner Is ignition burner lit? Thermista-stat Demand for air heat Burner on Demand Satisfied Burner extinguishes No Further Demand...
- Page 17 Fig.13 ECONOMAIRE 90 Flow Diagram...
- Page 18 -------gy grey -------gy violet ------v violet ------v white ------w white ------w red ---------r red ---------r pink --------pk pink --------pk yellow------y yellow------y THERMISTA-STAT AIR HEATER GAS CONTROL COVER LIMIT SWITCH FDC ASSEMBLY AIR HEATER IGNITION ELECTRODE Fig.14 ECONOMAIRE 90 Logic Diagram...
- Page 19 Fig. 15 Schematic Diagram (showing connection of an external controller)
- Page 20 242.5 ELECTRICAL ENTRY 42.5 42.5 PLAN VIEW BASE VIEW UNUSED KNOCKOUT (BOTH SIDES) KNOCKOUT FOR GAS ENTRY (BOTH SIDES) UNUSED KNOCKOUT (BOTH SIDES) FRONT VIEW SIDE VIEW Fig. 16 ECONOMAIRE 90 - Principal Dimensions...
- Page 21 Fig. 17 Exploded Diagram...
- Page 22 BENCHMARK Number WARM AIR HEATER AND CIRCULATOR COMMISSIONING CHECKLIST WARM AIR UNIT APPLIANCE SERIAL NUMBER: ............NOTIFICATION No: ......HOT WATER GENERATOR APPLIANCE SERIAL NUMBER: .
- Page 23 SERVICE INTERVAL RECORD It is recommended that your heating system is serviced regularly and that your service engineer completes the appropriate service interval record below. SERVICE PROVIDER Before completing the appropriate service interval record below, please ensure that you have carried out the service as described in the heater manufacturer’s instructions and in compliance with the Gas Safety Regulations Date .
- Page 24 LIST OF SPARES (SEE FIG.17) ECONOMAIRE 90 Item G.C. No Part No Description 1000-0522180 Wiring harness E80119 1000-0521860 Wiring harness (air heater) N900-0101000 Heat exchanger (cabinet sub assembly) 1000-0521820 FDC & limit switch E80123 N650-0182000 Filter assembly N900-0702000 Complete burner assembly...
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