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Zehnder Rittling ComfoAir 350 Instruction Manual

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Summary of Contents for Zehnder Rittling ComfoAir 350

  • Page 1 ComfoAir 350 Manual...
  • Page 2 All rights reserved. This manual has been compiled with the utmost care. The publisher cannot be held liable for any damage caused as a result of missing or incorrect information in this manual.

  • Page 3: Table Of Contents

    Table of Contents INTRODUCTION ............................. 1 Preface ..............................1 CE marking ............................1 Guarantee and liability ........................1 1.3.1 Guarantee conditions ....................... 1 1.3.2 Liability ............................1 Safety ..............................2 1.4.1 Safety regulations ........................2 1.4.2 Safety provisions and measures ....................2 1.4.3 Pictograms used ........................
  • Page 4 3.10.3 Malfunctions (or problems) without alarms ................25 3.11 Service parts ............................26 3.12 Wiring diagram: ComfoAir 350 Basic – LEFT-HAND version ............27 3.13 Wiring diagram: ComfoAir 350 Basic – RIGHT-HAND version ............28 3.14 ComfoAir 550 installation measuring report................... 29...

  • Page 5: Introduction

    The device is subject The warranty becomes invalid if: to continuous development and improvement. As a • The guarantee period has elapsed; result, the ComfoAir 350 may slightly differ from the • The device is used without fi lters; descriptions. •...

  • Page 6: Safety

    Safety 1.4.2 Safety provisions and measures • The ComfoAir cannot be opened without using 1.4.1 Safety regulations tools; • It should not be possible to touch the fans, Always comply with safety regulations in this man- therefore ducting must be connected to the ual.

  • Page 7: For The User

    2 For the user This chapter describes how to operate the ComfoAir. Glossary 2.1.2 Heat recovery Besides ensuring a healthy balance between in- The ComfoAir features: coming and outgoing air, the ComfoAir also pro- • Balanced ventilation; vides the benefi ts of heat recovery. Heat recovery •...

  • Page 8: Available Operating Devices

    Available operating elements Sets the value to 20 The ComfoAir can be fi tted with the following oper- MENU ating elements: • Display on the unit; MENU Fan setting • 3-position switch; 2.2.2 3-position switch • Wireless 3-position switch; • 3-position switch with malfunction indicators;...
  • Page 9 If the bathroom switch is deactivated during the delay timer period, then the ComfoAir will remain at its current ventilation setting and not switch to the highest setting. The delay timer does not work with all types of bathroom switches (e.g. pulse switches). Overrun timer This ensures that the ComfoAir does not switch back to the default (or preprogrammed) setting when de-...
  • Page 10 Menu P1 Status of programmes Ventilation programmes Sub- Description Activated menu Is menu 21 currently active? Yes (1) / No (0) Is menu 22 currently active? Yes (1) / No (0) Is menu 23 currently active? Yes (1) / No (0) Is menu 24 currently active? Yes (1) / No (0) Is menu 25 currently active?
  • Page 11 Time delay values Sub-menu Description Mini- Maxi- Default Overrun timer for ventilation setting 1 Min. 20 Min. 10 Min. 3 (using " "). Note: • After pressing " " BRIEFLY (< Only applies to systems fi t- 2 sec.), the ComfoAir runs at the ted with an RF switch.

  • Page 12: Maintenance By The User

    Maintenance by the user When using the ComfoAir for the fi rst time, As a user of the ComfoAir, you must carry out the it is recommended to clean the fi lters (and following maintenance: valves) fi rst, as during the construction •...

  • Page 13: Malfunctions

    Malfunctions fi lter cleaning/replacement or any other compelling reasons. Malfunctions in the ComfoAir are reported as fol- lows: • The malfunction indicator on the 3-position If the ComfoAir is disconnected from the switch lights up; power supply, mechanical ventilation of the •...

  • Page 14: For The Installer

    3 For the Fitter This chapter describes how to fi t the ComfoAir. ComfoAir The standard ComfoAir confi guration consists of: • External casing (A) of coated sheeting; Interior (B) of high-quality, expanded polypropylene (E)PP; • • 4 connections (C) for the air ducts; •...

  • Page 15: Technical Specifi Cations

    Technical specifi cations ComfoAir 350 nL (normal air volumes) Position Ventilation capacity Value 40 m3/h at 4 Pa 10 W BSENT ETTING 120 m3/h at 30 Pa 21 W ETTING 180 m3/h at 65 Pa 44 W EDIUM ETTING 260 m3/h at 140 Pa...
  • Page 16 ComfoAir 350 HL (high air volumes) Position Ventilation capacity Value 40 m3/h at 4 Pa 10 W BSENT ETTING 140 m3/h at 40 Pa 27 W ETTING 180 m3/h at 65 Pa 44 W EDIUM ETTING 325 m3/h at 215 Pa...

  • Page 17: Dimension Sketch

    Dimension sketch ø160 ø151 CABLE CONDENSATION DRAIN CONDENSATION DRAIN RIGHT-HAND VERSION LEFT-HAND VERSION CONDENSATION DRAIN ø32 (OUTSIDE) System functions...

  • Page 18: Installation Conditions

    fi tting thermal and damp-proof insulation to the supply ducts from the ComfoAir up to the sup- Type ply valves. ComfoAir 350 L RF • The air exhaust duct must be fi tted with a dou- ComfoAir 350 R RF ble-walled or insulated roof passage.

  • Page 19: Connection Of The Air Ducts

    Do not mount the side of the ComfoAir against the wall due to the risk of impact sound. 3.6.1 Connection of the air ducts ComfoAir 350 - LEFT Install a silencer directly onto the supply and return connections. For relevant advice, please contact Zehnder.

  • Page 20: Commissioning The Comfoair

    Commissioning the ComfoAir Access to the menus After installation, the ComfoAir must be commis- sioned. Press Display Description quence This can be done via the P menus on the digital op- MENU Time delay erating device. These P menus can be used to enter ▲...
  • Page 21 Menu P3 Setting ventilation programmes Ventilation programme values Submenu Description Minimum Maximum Default Setting the capacity (in %) of the ex- 0% or 15% nL / HL haust fan in 15% / 15% ABSENT POSITION Setting the capacity (in %) of the ex- nL / HL haust fan in 35% / 40%...
  • Page 22 Additional programme values Submenu Description Minimum Maximum Default Setting the required air volume in the house. • nL: ”normal air volume”. • HL: "high air volume". Note: Setting the air volume in P56 (to “nL” or “HL”) is the starting point for programming the air specifi...
  • Page 23 (Malfunction) information values Submenu Description Minimum Maximum Default General reset. • Press “OK” on the display for 5 seconds to carry out a general re- set. All original factory settings are re- stored following a general reset. Note: After a general reset, the ComfoAir will ask you to reset the “nL / HL” (see P56) and “Li / Re”...

  • Page 24: Programming Air Specifi Cations

    Programming air specifi cations After installation, the ComfoAir must be programmed. Change the fan settings in P menus P30 to P37 This can be done using the air specifi cations of the • ComfoAir above. of the digital operating device. Select the lowest possible setting in order –...

  • Page 25: Inspecting The Heat Exchanger And Fans

    3.9.1 Inspecting the heat exchanger and fans The fans and the heat exchanger must be inspected once every 4 years. Disconnect the power from the ComfoAir. • Remove the fi lters (B) from the ComfoAir. • Release the front panel by unscrewing the •...

  • Page 26: Malfunctions

    Clean the fans (O). • Fasten the screws to a maximum of 1.5 Nm. This is roughly equal to speed 2 of an aver- age battery-powered drill. 3.10 Malfunctions If the ComfoAir suffers a malfunction, then in most cases a malfunction alert will appear on the screen of the digital operating device.

  • Page 27: Trouble Shooting

    3.10.2 Trouble shooting Below are a number of trouble-shooting tips for the malfunction alerts described previously which can appear on the digital operating device in the event of a malfunction. ’FiL‘ ’tEr’ on display Press until malfunction disappears Disconnect the power Clean or replace filters Remount filters in the...
  • Page 28 A1 / A2 / A3 / A4 Temperature Resistance [KΩ] ATTENTION! Temperature sensor malfunction Risk of electrocution: T1 / T2 / T3 / T4 do not touch the PCB MIN. MID. MAX. [°C] or the reheater. 19, . 570 19,904 20,242 Disconnect the power 15,485...

  • Page 29: Malfunctions (Or Problems) Without Alarms

    3.10.3 Malfunctions (or problems) without alerts An overview of the malfunctions (or problems) without notifi cations is given below. Problem/Malfunc- Indication Check / action tion Check the fuse on the System switched off Power supply on PCB panel. • If the fuse is OK, the control PCB is defective.

  • Page 30: Service Parts

    3.11 Service parts The following table contains an overview of the spare parts available for the ComfoAir. Number Part Article number Fans (left and right) 400200010 ComfoAir PCB; 400300010 Temperature sensor T2 / T4 (in scroll casing of both fans) 400300022 Temperature sensor T1 / T3 (in top of unit;...

  • Page 31: Wiring Diagram: Comfoair 350 Basic - Left-Hand Version

    3.12 Wiring diagram: ComfoAir 350 Basic – LEFT-HAND version CASING Blue Brown Brown Blue Forst-free element White Blue Yellow Yellow Blue White Brown Brown White White Brown Brown White White Black Black Bypass valve Forst-free element valve Green/Yellow Green/Yellow Green/Yellow...

  • Page 32: Wiring Diagram: Comfoair 350 Basic - Right-Hand Version

    3.13 Wiring diagram: ComfoAir 350 Basic – RIGHT-HAND version CASING Blue Brown Brown Blue Forst-free element White Blue Yellow Yellow Blue White Brown Brown White White Brown Brown White White Black Black Forst-free element valve Bypass valve Green/Yellow Green/Yellow Green/Yellow...

  • Page 33: Comfoair 550 Installation Measuring Report

    3.14 ComfoAir 550 installation measuring report Part 1 – System details and declarations 1.1 Installation Address Details Dwelling name/number Street Locality Town County Post Code 1.2 Installation Details System classifi cation* System ….. Enter System 1 to 4 as defi ned by Approved Document F 2010 Manufacturer Model numbers Serial number (where available)
  • Page 34 Part 2a – Installation details 2.1 Installation Checklist – General (all Systems) Tick as appropriate Has the system been installed in accordance with manufacturer’s require- ments? Have relevant system installation clauses been followed as details in Tables 1, 3, 5 and 7 as applicable? If any deviation from Tables 1, 3, 5 and 7, these should be detailed here Description of installed controls (e.g.
  • Page 35 Part 2b – Inspection of Installation This section should be completed by the commissioning engineer prior to completing Part 3. 2.3a Visual Inspections – General (all Systems) Total installed equivalent area of background ventilators in dwelling Total fl oor area of dwelling Does the total installed equivalent ventilator area meet the requirements given in Tables 5.2a, 5.2b, or 5.2c in ADF? Have all background ventilators been left in the open position?
  • Page 36 Part 3 – Commissioning details 3.1 Commissioning Equipment Schedule of air fl ow measurement equipment used, (model Date of last UKAS calibration and serial) 3.2 Air Flow Measurements – System 1 Only Fan reference (as 1.2) Measured Extract Rate (l/s) Design Extract Rate (l/s) Refer to Table 5.1a in ADF Extract Fan 1.
  • Page 37 3.4 Air Flow Measurements (Supply) – System 3 and 4 only Room reference Measured Air Design Air Flow Measured Air Design Air Flow (location of terminals) Flow High Rate (l/s) Flow Low Rate (l/s) High Rate (l/s) Refer to Table Low Rate (l/s) Refer to Table 5.1b ADF...
  • Page 38 8028 PM Zwolle-NL Tel.: +31 (0)38-4296911 Fax: +31 (0)38-4225694 Company register Zwolle 05022293 EG declaration of conformity Machine description : Heat recovery units: ComfoAir 350 series Complies with the following directives : Machinery Directive (98/37/EG) Low Voltage Directive (93/68/EEG) EMC Directive...
  • Page 40 Zehnder Comfosystems Unit 1 Brookside Avenue Rustington West Sussex BN16 3LF...

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