波斯尼亚和黑塞哥维那采购需求：空气交换器、空气交换通风机、空气处理机组、空气-空气交换器、空气-空气热交换器、空气通风

We're looking for a quotation for two ceiling-mounted heat recovery ventilation units. The first unit should have a nominal airflow of 1000 m³/h, an external static pressure of 150 Pa, and power input of 430 W. The dimensions required are 1193 × 1243 × ____ mm, with 1 set needed. It should include all necessary accessories like a wall controller, RS-485 module, anti-vibration mounts, hanging brackets, and flexible connectors, as well as installation and duct connection. The second unit should have a nominal airflow of 2000 m³/h, external static pressure of 125 Pa, and a power input of 848 W, with dimensions of 1493 × 1243 × ____ mm. We need 2 sets of this unit, also including the same complete accessory package and installation. Please provide unit prices, delivery timelines, technical datasheets, warranty details, and payment terms in your response.