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Technical Manual of Holtop
Energy Recovery Ventilator
Attention
Please read this manual carefully before using the equipment. For safety precautions,
please read carefully before construction or use, and use the equipment safely.
Beijing Holtop Air Conditioning Co., Ltd.
Models:
ERVQ-D150-2A1
ERVQ-D250-2A1
ERVQ-D350-2A1
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Summary of Contents for HOLTOP ERVQ-D150-2A1
- Page 1 Technical Manual of Holtop Energy Recovery Ventilator Models: ERVQ-D150-2A1 ERVQ-D250-2A1 ERVQ-D350-2A1 Attention Please read this manual carefully before using the equipment. For safety precautions, please read carefully before construction or use, and use the equipment safely. Beijing Holtop Air Conditioning Co., Ltd.
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Page 2: Table Of Contents
Contents Safety Considerations----------------------------------------------------------3-4 Unit Specifications-----------------------------------------------------------------5 Dimension--------------------------------------------------------------------------6 Installation Considerations------------------------------------------------------7-9 Electrical Installation----------------------------------------------------------10-11 Precautions for use---------------------------------------------------------------12 Controller Instructions--------------------------------------------------------13-20 Maintenance-----------------------------------------------------------------------21 Failure diagnosis------------------------------------------------------------------21... -
Page 3: Safety Considerations
Safety Considerations Safety attentions Please read the following safety instructions before installation. And ensure that the unit is installed correctly. Please observe all instruction in order to avoid any injury or damage to equipment or property. The following symbols indicate potential levels of caution. Situations with a risk or death or Situations with a risk of injury or serious injure. - Page 4 Safety Considerations Power cable and wires must be installed by To avoid condensation, insulation should be a qualified electrical engineer. Improper fitted to fresh air ducts. Other ducting may connection can cause over heating. Fire and also require insulation depending on dew loss of efficiency.
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Page 5: Unit Specifications
Specifications Model ERVQ-D150-2A1 ERVQ-D250-2A1 ERVQ-D350-2A1 Airflow(m External pressure(Pa) Cooling Enth. Eff (%) Heating Temp. Eff (%) 26.5 Noise dB(A) 33.5 36.5 Voltage (V) Input Power (W) Weight (Kg) Duct Size (mm) Φ100 Φ150 Φ150... -
Page 6: Dimension
Dimensions Dimensions 20.5 Detailed dimensions of lifting parts ERVQ-D150-2A1 to ERVQ-D350-2A1 Model：ERVQ-D150-2B1～ERVQ-D350-2B1 Model ERVQ-D150-2A1 Φ98 ERVQ-D250-2A1 Φ144 ERVQ-D350-2A1 1070 1130 Φ144... -
Page 7: Installation Considerations
Service ports should be installed to allow access for filter maintenance. SERVICE PORT SERVICE PORT ERVQ-D150-2A1/ERVQ-D250-2A1 ERVQ-D350-2A1 2. Be sure the ceiling height is no less than the Figures in above table B column。... - Page 8 Installation Considerations 3. Unit must not be installed close to boiler flues. 4. Following phenomenon should be avoided in the ducting installation. Multiple reducers/ crimped duct Serve bends Multiple direction changes 5. Exessive use of flex-duct and long flex-duct runs should be avoided. 6.
- Page 9 Installation Considerations Ducting 1. Connection of unit vents and ducts should be taped or sealed to prevent air leakage, and should com- ply to relevant guidelines and regulations. 2. The two outdoor vents should face downward toward the outside to prevent any rain water ingress. (angle 1/100 1/50).
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Page 10: Electrical Installation
A cable fixing device offered by installer is recommended to fix the power cable on the wall/ventilator. Model Spec. of power supply cable Spec. of normal controller cable ERVQ-D150-2A1 3×1.5mm 2×0.5mm ERVQ-D250-2A1 ERVQ-D350-2A1 We do not accept any liability for any problems caused by the user’s self and non-authorized re-... - Page 11 N PE FAN2 FAN1 Heater1 Electrical preheating Master slave panel communication Heater2 Electrical heating PCB Board Running signal Fault signal Error RA temp. OA temp. FR(EA) temp. SA temp. Control panel Model Power supply Panel type ERVQ-D150-2A1 220V~50Hz ERVQ-D250-2A1 HDK-CK-AC ERVQ-D350-2A1...
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Page 12: Precautions For Use
Precautions for Use Commissioning 1. Check the wiring after the installation works are completed, and there must be commissioning. 2. Turn on the power supply, and carry out the commissioning and operation according to controller instructions. Check the working conditions of the blower, exhaust fan and bypass. The motor will stop running for more than 10 seconds when the bypass valve of the ventilator is operating. -
Page 13: Controller Instructions
Touch Screen Controller Introduction Display screen and Buttons Repair Fan speed sleep Temperature type Temperature display Auto mode Week Filter alarm Bypass on/off Clock Weekly timer on/off Communication DOWN Button SET Button UP Button ON/OFF Button MODE Button Operation Instructions 1. - Page 14 Touch Screen Controller Introduction COMM COMM RA temperature OA temperature COMM COMM FR temperature SA temperature SA temperature setting CO2 concentration Current humidity Setting humidity HUMI. COMM Humidity control Timing on/off mode Sleep mode...
- Page 15 Touch Screen Controller Introduction 3. Fan speed setting: Fan speed setting in manual mode: under SA or FR temperature interface, press the arrow keys of “△” and “▽” to set the fan speed. The speed of exhaust fan can be set in "FR" interface, while the speed of the supply fan can be set in "SA"...
- Page 16 Touch Screen Controller Introduction 5. Setting parameters: long press the "MODE" button for more than 6 seconds under the power on state to enter into the interface for parameters setting. Parameter value Parameter number COMM And then shortly press the "SET" button, the parameter number will increased accordingly. After choos- ing the corresponding parameter item, press the arrow buttons of "△"...
- Page 17 Touch Screen Controller Introduction Contents Range Default Unit Record Position 0：150 air volume 1 : 250 air volume 2: 350 air volume 3: 200 air volume 4: 300 air volume DC type selection 5: 400 air volume 6: 600 air volume 7: 800/1500 air volume 8: 1000/2000 air volume 9: 1300/2000 air volume...
- Page 18 Touch Screen Controller Introduction 6. Filter alarm, Parameter 18 to set the filter alarm time. When the operation time of the ventila- tor exceeds the setting time, the filter icon will flashes to remind user clean the filter. After cleaning, set Parameter 17 to be 1 to recount the time.
- Page 19 Touch Screen Controller Introduction Modbus Protocol Baud rate 9600bps, Even/Odd No, Date bit 8, Stop bit 1, communication interval > 200ms. Support function code: 0x03, 0x06 Register range readable writable function description remarks, address value on-off state 0(0x0000) √ √ 0 - off 1 - on 1(0x0001) 1-10...
- Page 20 Touch Screen Controller Introduction 12(0x000c) Bypass switch, 1=on 0=off √ 13(0x000d) P-heating state 1=on 0=off √ R-Heating state 1=on 0=off √ √ √ √ √ √ √ √ 0-23 System time: hour √ √ 0-59 System time: minute √ √ System time: Week √...
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Page 21: Maintenance
Maintenance Power must be isolated before installation and maintenance to avoid injury or electricsshock. Supply power cables, main circuit breaker and earth leakage protection, must comply with national regulations. Failure to observe could cause unit failure, electric shock or fire. Standard filtration is supplied with this unit and must be used. - Page 22 Beijing Holtop Air Conditioning Co., Ltd. Factory address: No. 5 Yard, 7th Guanggu Street, Badaling Economic Devel- opment Zone, Yanqing district, Beijing. Tel: 0086-10-59798831 Fax: 0086-10-59798831-600 Web: www.holtop.com Web: www.holtop.com.cn Email: info@holtop.com Email: export@holtop.com.cn HD2502A11F05...
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